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628506840023 = 899772802831
BaseRepresentation
bin10010010010101011110…
…11010100101111010111
32020002021201111120102222
421021111323110233113
540244140222340043
61200422042452555
763256661664536
oct11112573245727
92202251446388
10628506840023
112226037a9417
12a198580415b
134736388679a
14225c428a31d
151153784dd68
hex9255ed4bd7

628506840023 has 8 divisors (see below), whose sum is σ = 642120978240. Its totient is φ = 615038307840.

The previous prime is 628506840001. The next prime is 628506840067. The reversal of 628506840023 is 320048605826.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 628506840023 - 236 = 559787363287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628506840223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36392783 + ... + 36410048.

It is an arithmetic number, because the mean of its divisors is an integer number (80265122280).

Almost surely, 2628506840023 is an apocalyptic number.

628506840023 is a deficient number, since it is larger than the sum of its proper divisors (13614138217).

628506840023 is an equidigital number, since it uses as much as digits as its factorization.

628506840023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72803017.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 628506840023 in words is "six hundred twenty-eight billion, five hundred six million, eight hundred forty thousand, twenty-three".

Divisors: 1 89 97 8633 72802831 6479451959 7061874607 628506840023